diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..8bf364a
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,7 @@
+graft ParProcCo
+graft scripts
+graft example
+graft tests
+recursive-exclude **/.ruff_cache/ *
+global-exclude *.py[cod]
+include LICENSE README.md *.toml setup.*
diff --git a/ParProcCo/__init__.py b/ParProcCo/__init__.py
index 63f4204..1853194 100644
--- a/ParProcCo/__init__.py
+++ b/ParProcCo/__init__.py
@@ -1,2 +1,2 @@
-version_info = (2, 1, 1)
+version_info = (2, 1, 2)
 __version__ = ".".join(str(c) for c in version_info)
diff --git a/requirements.txt b/requirements.txt
index 184d91d..5286e35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,13 @@
 h5py==3.10.0
-pydantic==2.6.0
+pydantic==2.6.3
 PyYAML==6.0.1
 requests==2.31.0
 ## The following requirements were added by pip freeze:
 annotated-types==0.6.0
-certifi==2023.11.17
+certifi==2024.2.2
 charset-normalizer==3.3.2
 idna==3.6
-numpy==1.26.3
-pydantic_core==2.16.1
-typing_extensions==4.9.0
-urllib3==2.2.0
+numpy==1.26.4
+pydantic_core==2.16.3
+typing_extensions==4.10.0
+urllib3==2.2.1